Evidence row 567580

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Look up one StackLégal provider fiche by canonical slug, alias (for example ga), or exact catalog name. Returns the same object as GET /api/v1/providers/{slug}. A name match is not a legal qualification. lang defaults to French.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "lang": {
            "description": "Optional shipped locale. Omit for French. Slugs do not change with language.",
            "type": "string"
          },
          "slug_or_name": {
            "description": "Canonical slug, alias, or exact provider name as shown on the fiche.",
            "type": "string"
          }
        },
        "required": [
          "slug_or_name"
        ],
        "type": "object"
      },
      "name": "get_provider"
    },
    {
      "description": "List StackLégal provider fiches. Same payload as GET /api/v1/providers. Pass ids to request specific slugs, 81 at most, in that order. Omit ids for the full catalog. Unknown slugs are returned in unknown and the rest still succeeds. lang defaults to French.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "ids": {
            "description": "Optional slugs or aliases. Omit for the full catalog.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "lang": {
            "description": "Optional shipped locale. Omit for French.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_providers"
    },
    {
      "description": "Fetch one public URL once, without a consent cookie, and report trackers present on the first HTML response and Set-Cookie headers. JavaScript is not executed. Each tracker includes a provider slug when the scanner catalog maps it to a fiche, and the result links to the StackLégal scanner page. This is not a legal qualification. The address and the caller IP are not stored. Limited to a few scans per 10 minutes.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "Public http or https URL on port 80 or 443, with no username in the address.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "scan_site"
    }
  ]
}

What the leaf hashes

{"body":"f4028b88e1c58c991bdc069e17c18f5dd54774aaaf85e729198a1352d562a647","id":567580,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138776511674,"prev":null,"subject":"da9d996e-1dfe-4ddd-b3ff-53132d447d3c","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x762697f392ed9d57567212291d2c60a33ece124fd13b73f64d99a796851c8e7f
2. 0xed74b0b3064d4e86cb4c544b82c27231f8d02fab74be138820a2382eb8dece16
3. 0x9ee84b275fc61101ca59623c52b27bc05150ab6ca7e96e97b37ba13ea3378648
4. 0xbcf54a0663bac5b844ec6c240a75c2064508244dc1a4ffb64b85b3b359b67aaf
5. 0x98c64cdf35b5fdec0ace9cb5aaa6eba7474a092a65161dbdaf55515825e3c2cc
6. 0x57787eb76364a07441ddec262127501fe6d678cae5bf81bc1990442887b21586
7. 0x467d4e2bd37f4fd44055e966194a0e2a4569fbbfccd46594f608f89e90dc9ed3
8. 0xdbb8f4f3a4cbee0ff5f7b3bb68bccd5ef82df63765ea31cd6c4a2e6504ed22f5
9. 0x1b57fedaf028678d6a135dff491911ba098beab0a7b77c5abe8ebfe0655e14ca
10. 0x58a21ad77eb0f12e2700138a011395f72f29a249b03b15df913625a0119d05d6
11. 0x5f257f988f0c8c8a45a1094d99dd8e8969da325eabed8aa44c6b668fac04f073
12. 0x6834d22f4558c2279e3de3027a40f72cd350b3c4a2e54be57aff9ec2c9eaf01a
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4